OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
U0411
Invalid Data Received From Drive Motor Control Module
Communication Network System
High severity
U0413
Invalid Data Received From Battery Energy Control Module B
Communication Network System
High severity
U0414
Invalid Data Received From Four-Wheel Drive Clutch Control Module
Communication Network System
High severity
U0423
Invalid Data Received From Instrument Panel Control Module
Communication Network System
High severity
U0426
Invalid Data Received From Vehicle Immobilizer Control Module
Communication Network System
High severity
U0427
Invalid Data Received From Vehicle Security Control Module
Communication Network System
High severity
U0429
Invalid Data Received From Steering Column Control Module
Communication Network System
High severity
U0430
Invalid Data Received From Tire Pressure Monitor Module
Communication Network System
High severity
P2002
Diesel Particulate Filter Efficiency Below Threshold Bank 1
Auxiliary Emissions Control
Medium severity
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